Add OutputType::BECH32M

Bech32m addresses need their own OutputType

We are not ready to create DescriptorScriptPubKeyMans which produce
bech32m addresses. So don't allow generating them.

src/wallet/wallet.cpp

@@ -3086,6 +3086,11 @@ void CWallet::SetupDescriptorScriptPubKeyMans()
 
         for (bool internal : {false, true}) {
             for (OutputType t : OUTPUT_TYPES) {
+                if (t == OutputType::BECH32M) {
+                    // Skip taproot (bech32m) for now
+                    // TODO: Setup taproot (bech32m) descriptors by default
+                    continue;
+                }
                 auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, internal));
                 if (IsCrypted()) {
                     if (IsLocked()) {